查询词典 photocatalytic

The reseach development of TiO2 photocatalysis technology was presented, and the mechanism of photocatalytic activity of nano-TiO2 was analyzed.

介绍了纳米TiO2光催化技术的研究进展，分析了纳米TiO2的光催化机理，详细论述了影响TiO2光催化活性的主要因素。

The results indicate that the nano-particle TiO2 photocatalyst has high activity of photocatalytic degradation.

结果表明，纳米级光催化剂TiO2具有较高的光催化降解油的活性。

In recent years, the photocatalytic oxidation technique of TiO2 has become the highlight in the photochemistry and environmental protection.

近年来，半导体光催化诸如TiO2等光催化剂已成为光化学领域及环境保护领域中的研究热点之一，它在废水处理中的应用，已有许多文献报道。

Since ultraviolet light is only 3-5% part of the solar spectrum, the photocatalytic activity of TiO_2 can not be sufficiently activated under solar light irradiation, which strongly limits the use of solar spectra as a source for photodecomposition of pollutant.

纳米TiO_2由于具有较高的光催化活性，化学性能稳定，无毒等优点，成为了最受人们关注的光催化材料之一。

In the titania-modified MCM-41, although the titania were in an amorphous state and in tetrahedral coordination rather than octahedral coordiantion, which exsists extensively in crystalline titania, they exhibited relative high photocatalytic activity for the photodecomposition of phenol.

所合成的无定形的氧化钛修饰MCM-41的光催化剂显示了较高的催化活性。

The mesoporous TiO2 also showed high photocatalytic activities on photodecomposition of p-chlorophenol in bleaching wastewater, after 2 hours reaction under the UV-irradiation of 250W, the removing rate of p-chlorophenol was up to 95.3%.

光催化降解对氯苯酚表明介孔TiO2具有优异的催化性能，在250W紫外灯照射2h后，氯化有机物中的苯环特征峰完全消失，降解率可达95.3%。

In the acidic solution, better photodecomposition efficiency is achieved than in the neutral or alkaline solution. The experiments demonstrated that the optimum doping of La at 10 mol%, the maximum photodecomposition in dye concertration at 15 mg/L and photocatalytic dosage at 0.75 g/L, achieving the highest effect.

於本研究中，改质式光触媒於酸性条件下有最佳光活性；在固定触媒总量下，以LT10（镧钛莫耳比0.1）之触媒有最佳的光催化效果；而在初始浓度，以单位克重TiO2负荷去除量而言，以15 mg/L有著最佳的处理效果；添加量为0.75 g/L可有效利用触媒，以达到经济效应。

The adsorption capacity of La/TiO2 catalysts increases with lanthanum dosage in the acidic solution. The contribution of actual photodecomposition was determined by desorption process, after the photocatalytic reaction.

在酸性环境时，当触媒以La金属改质后，将会大幅提升吸附能力，添加越多量吸附能力越强，因此可促进染料扩散至TiO2表面而分解；利用反应结束后之脱附程序，将吸附於触媒表面的染料脱附至水溶液中，以厘清实际光催化之降解量。

Experimental results showed that the system of photocatalytic oxidation had a higher removal efficiency of HA than that of direct photolysis.

实验结果表明，光催化氧化法降解腐殖酸的效率比直接光解法有显著提高。

Using porphyrin to reinforce photocatalytic capability of TiO2 has always been a target for chemists to work with.

中文摘要利用紫质分子优异的吸光能力来加强二氧化的光催化性质，一直是化学家们努力的目标之一。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！